Angela Duckworth revisits the ideas behind grit and argues that excellence cannot be explained by willpower alone. DNA, social surroundings, mentors, peers, physical spaces, and cultural norms all influence whether effort becomes effective. The conversation examines when persistence should give way to changing direction, how groups and mentors make difficult goals easier, why modern life increases isolation, and how burnout often signals a mismatch between people and their situations. Chris also shares his experience of illness-related burnout. Together, they present sustainable discipline as the deliberate design of conditions that support consistent effort without removing the meaningful difficulty of the work.